# Copyright 2017 ZTE Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
import json
from rest_framework.views import APIView
from rest_framework.response import Response


class SwaggerView(APIView):
    """
    Show rest api swagger.
    """
    def get(self, request, format=None):
        json_file = os.path.join(os.path.dirname(__file__), 'swagger.json')
        f = open(json_file)
        json_data = json.JSONDecoder().decode(f.read())
        f.close()
        return Response(json_data)
